Marstek Venus E 3.0 AC-coupled energy storage system – system overview
Associated Products
Anker SOLIX Solarbank 3 E2700 Pro Balcony Power Plant Storage with 500W Solar Module Complete Set Anker SOLIX Solarbank 3 E2700 Pro Balcony Power Plant Storage with 500W Solar Module Complete Set ab €1.299,00€4.339,00 Anker SOLIX Solarbank 2 E1600 Pro Balcony Power Plant Storage with 500W Solar Module Complete Set Anker SOLIX Solarbank 2 E1600 Pro Balcony Power Plant Storage with 500W Solar Module Complete Set ab €629,00€2.649,00 Anker SOLIX solar bank 3 E2700 Pro storage 2,68 kWh 250W x4 flexible set Anker SOLIX solar bank 3 E2700 Pro storage 2,68 kWh 250W x4 flexible set €1.289,00€1.519,00

MARSTEK · ALL-IN-ONE PACKAGE

Marstek Venus-E Gen 3.0 5,12 kWh AC coupled All-In-One Storage System

SKU: 14013

Delivery time: currently unavailable

The stated delivery time is an estimate based on available goods. Shipping is handled by a freight carrier. Weekends, holidays, and scheduling requirements may delay delivery.

Storage capacity
5,12 kWh
Size of the offered storage configuration
PV/charging input
AC coupled
Purchase-relevant information regarding the offered version
Wireless connection
WiFi, LAN (Gen 3.0), RS485
Purchase-relevant information regarding the offered version
Protection class
IP65K
Purchase-relevant information regarding the offered version
Autumn Special
€1.199,00 €1.349,00 You save €150,0011 % OFF
0% VAT in Germany if certain conditions are met · Shipping costs will be calculated · Details

Shipping & Taxes

Delivery time

The delivery time for the selected option is determined based on product class, actual individual weight, delivery country and pre-order status.

Shipping costs

Shipping costs will be calculated. The displayed price applies to the selected variant and quantity. The final amount for the entire shopping cart will be displayed at checkout before payment.

0% VAT

The zero VAT rate applies only to eligible photovoltaic deliveries if the conditions of Section 12 Paragraph 3 of the German VAT Act (UStG) are met. For other tax zones or purchases that do not qualify for the zero rate, the applicable VAT will be calculated at checkout.

View legal basis
Sold Out

Pay securely and easily

  • American Express
  • Apple Pay
  • Bancontact
  • EPS
  • Google Pay
  • Klarna
  • Teacher
  • Mastercard
  • MobilePay
  • PayPal
  • Shop pay
  • visa
Up to 30 years guarantee

Enjoy maximum security: Up to 30-year warranty on high-performance modules, 10–12-year product warranty on inverters, and 10 years on battery storage systems (with a 15-year lifespan). For other products, please refer to the specific details in the respective product documentation.

30 day returns

Orders from Mini Power can be returned within 30 days of receipt, provided the return conditions are met. Your statutory right of withdrawal remains unaffected.

View the right of withdrawal
24/7 customer support

You can contact us 7 days a week, 24 hours a day. We will respond as quickly as possible within the applicable service hours; however, an immediate 24/7 response is not guaranteed.

Contact service

Dynamic delivery forecastDelivery time

Delivery time: currently unavailable

The information provided is an estimate based on the selected shipping method. The final price displayed at checkout is binding.Estimate · binding at checkout

Real customer reviews of Mini Power

Trusted Shops Recent verified reviews

The current shop ratings are loaded directly from the official rating source.

Open reviews at Trusted Shops

Mini Power · Product Information

Product description

Marstek Venus-E Gen 3.0 5,12 kWh AC-coupled all-in-one storage system

Marstek Venus E connection diagramFor the specific pin assignment, the supplied user manual and the current manufacturer's documentation are authoritative; there you will also find the Marstek Venus E connections and technical data.

When buying only through authorized dealers you enjoy a 10-year warranty. We are official dealers from Marstek in Germany: https://eu.marstekenergy.com/de-de/pages/dealers

 

Delivery:

 

1x Marstek Venus-E GEN 3.0 Balcony Power Plant Storage
1x mounting accessories for floor or wall mounting
1x AC connection cable 
1x User's Guide

 

The Marstek Venus-E 3.0 opens up new possibilities for AC-coupled home storage systems. With a 5,12 kWh LiFePO₄ battery (LFP), the energy from your existing photovoltaic system can be optimally utilized without replacing the inverter or making any changes to the solar system. Thanks to plug & play, the system is ready for use in just a few minutes; simply connect and start. Thanks to its compact design with 38,5% With less volume compared to the previous version, the unit blends inconspicuously into living or technical rooms.

 

Product Features

 

  • --High savings: Up to €1.257 per year through optimized self-consumption and dynamic tariffs
  • --Powerful: 2,5 kW AC input and output, upgradeable to 2,5 kW feed-in power
  • --Extendable: Up to 3 units in single-phase operation → 7,5 kW / 15,36 kWh
  • --Reliable emergency power supply: 2,5 kW via dedicated backup output
  • --Intelligent management: AI mode, self-consumption and manual mode via MARSTEK app
  • --Compatible: Smart meter support for zero feed-in
  • --Robust & durable: IP65, whisper-quiet <30 dB, ≥6.000 cycles at 80% remaining capacity
  • --Flexible: WLAN, LAN, RS485, open API/Modbus for Home Assistant or ioBroker

 

The Marstek Venus E 3.0 is the latest generation of the AC-coupled home storage system and impresses with a more compact, lightweight design and an optimized internal structure. Featuring a high-quality die-cast aluminum housing, the Venus E 3.0 requires 38,5% less space and is 7,4% lighter than its predecessor, while increasing efficiency by approximately 5%. Internal cabling has been reduced by 50% thanks to modern printed circuit board technology, increasing reliability and simplifying maintenance.

Connectivity has been significantly expanded: Two RJ45 ports, one RS485 interface, and one LAN port enable stable and secure integration into existing energy management systems. At the same time, the Marstek Venus E 3.0 It is easy to install via a 230V socket and can be modularly expanded to up to 138 kWh, so that it can be flexibly adapted to different energy requirements and ensures a future-proof, efficient energy supply.

 

Mini Power (New Power GmbH) is an official distributor of Marstek in Europe and is committed to selling the original products of the Marstek Venus-E GEN 3.0 AC-coupled energy storage system. 


Matching accessories and related products


AC home storage for maximum savings

AC home storage for maximum savings

The Marstek Venus-E GEN 3.0 is a compact, AC-coupled home storage system with a 5,12 kWh LiFePO₄ battery that integrates seamlessly into existing PV systems. Featuring plug-and-play installation, intelligent AI-driven energy management, flexible expandability up to 7,5 kW/15,36 kWh, reliable backup power, and a robust IP65 enclosure, it offers high efficiency, maximum savings, and future-proof flexibility for modern households.

Marstek_Venus_E_Gen_3

Quick start thanks to plug & play

The Venus Gen 3.0 is ready to use in just 5 seconds – simply connect it via AC cable, without any tools, configuration or waiting time.

Back to the title ↑
Marstek_Venus_E_Gen_3

Reliable communication with LAN connection

In addition to Wi-Fi and Bluetooth, the Venus Gen 3.0 now also offers a LAN port for stable, interference-free communication – ideal for thick walls or multiple radio signals.

Back to the title ↑

Variants

Datasheet & Instructions

Verified product-related documents and instructions.

01 Marstek Venus E 3.0 Datasheet - German 02 Marstek VENUS E 3.0 5,12 kWh – Product brochure with technical data

Technical information

Marstek Venus-E Gen 3.0 5,12 kWh AC coupled All-In-One Storage System

Marstek Venus-E Gen 3.0 5,12 kWh AC coupled All-In-One Storage System

input power
2,5 kW (upgradeable)
PV/charging input
AC coupled
capacity
5.120 Wh
Storage capacity
5,12 kWh
Wireless connection
WiFi, LAN (Gen 3.0), RS485
Compatibility
Marstek
Protection class
IP65K
System concept
All-In-One
Dimensions
560 × 690 × 201 mm
Dimensions (WxHxD)
560 × 690 × 201 mm
Weight
approx. 60 kg
charging temperature
0 ° C to 45 ° C
37.000+ installed balcony power plants
Since 2022 Experience with solar solutions
30 years Warranty on solar panels
11.000 kWh in battery storage systems

Experience that creates trust

Why Mini Power

Mini Power helps you choose balcony power plants, storage systems, solar panels, and suitable accessories. Product information, scope of delivery, and compatibility are clearly presented so you can select a system that suits your location and energy needs. If you have any questions, you can contact us directly at info@miniminipower.com.

Start your own energy transition with Mini Power.

Mini Power Google Reviews: 4,7 out of 5 based on 694 reviews
Mini Power Zendure 2025 Excellent Partner
Hoymiles Platinum Distributor
Anker SOLIX Silver Value Added Partner 2026
ntv and DISQ Germany's Best Online Shops 2026, 1st place price-performance balcony power plants

Frequently asked questions

question and answer

Answers to key purchasing questions regarding compatibility, performance, installation, and scope of delivery.

Any further questions about your setup?

Mon–Fri · 09:00–18:00

Contact
What is the Marstek Venus-E GEN 3.0 and what is it used for?

The Marstek Venus-E GEN 3.0 is an AC-coupled home storage system with a 5,12 kWh LiFePO₄ battery. It optimizes the self-consumption of your existing photovoltaic system – without replacing the inverter or making any changes to the solar system.

How easy is it to install the Venus-E GEN 3.0?

Thanks to plug-and-play technology, the system is ready to use in just a few minutes. Installation is tool-free and requires only one cable – plug in, start, and you're done.

What savings does the Marstek Venus-E GEN 3.0 offer?

The combination of self-consumption optimization and dynamic electricity tariffs can result in annual savings of up to €1.257 – while simultaneously relieving the strain on the electricity grid.

How powerful is the Venus-E GEN 3.0 in daily use?

The unit offers 2,5 kW AC input and output power and can be expanded to 2,5 kW feed-in. If required, up to three units can be cascaded – for up to 3 kW / 7,5 kWh.

Can the Venus-E GEN 3.0 provide power in an emergency?

Yes. The system provides 2,5 kW of emergency power via a dedicated backup output—reliable in the event of power outages or grid problems.

Which operating modes are available?

The Venus-E GEN 3.0 can be conveniently controlled via the MARSTEK app. It offers an AI-based automatic mode, self-consumption mode, and manual mode – for maximum control.

Is the Venus-E GEN 3.0 compatible with smart meters?

Yes, it supports leading smart meters, enabling precise consumption measurement, zero feed-in, and adaptive energy distribution—ideal for modern energy management systems.

How durable and quiet is the system?

With an IP65 protection rating, whisper-quiet operation below 30 dB, and over 6.000 charging cycles at 80% remaining capacity, the Venus-E GEN 3.0 is designed for long-term, quiet use.

What connection and integration options does the Venus-E GEN 3.0 offer?

The unit features Wi-Fi, LAN, RS485, and an open API/Modbus – perfect for integration into smart home systems such as Home Assistant or ioBroker.

STORAGE FINDER & COMPARISON


Does this storage model really meet your needs?


Place this model in the complete Mini Power memory comparison and check suitable alternatives.

  • 9 short questions
  • 800 VA separately
  • Price per kWh
Classify this model Free · about 2 minutes

In focus